questions.tables.TableHeaderAlternateBackground.java Source code

Introduction

Here is the source code for questions.tables.TableHeaderAlternateBackground.java

Source

/*
 * This example was written by Bruno Lowagie, author of the book
 * 'iText in Action' by Manning Publications (ISBN: 1932394796).
 * You can use this example as inspiration for your own applications.
 * The following license applies:
 * http://www.1t3xt.com/about/copyright/index.php?page=MIT
 */

package questions.tables;

import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.PageSize;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;

public class TableHeaderAlternateBackground {

    public static final String RESULT = "results/questions/tables/alternate_background.pdf";

    public static void main(String[] args) {
        // step 1: creation of a document-object
        Document document = new Document(PageSize.A4.rotate());
        try {
            // step 2:
            // we create a writer
            PdfWriter.getInstance(
                    // that listens to the document
                    document,
                    // and directs a PDF-stream to a file
                    new FileOutputStream(RESULT));
            // step 3: we open the document
            document.open();
            // step 4: we add a table to the document
            PdfPTable datatable = new PdfPTable(10);
            datatable.setTableEvent(new AlternateBackground());
            int headerwidths[] = { 10, 24, 12, 12, 7, 7, 7, 7, 7, 7 };
            datatable.setWidths(headerwidths);
            datatable.setWidthPercentage(100);
            datatable.getDefaultCell().setPadding(5);

            // The header starts with a cell that spans 10 columns
            PdfPCell cell = new PdfPCell(new Phrase("Administration - System Users Report",
                    FontFactory.getFont(FontFactory.HELVETICA, 24, Font.BOLD)));
            cell.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell.setBorderWidth(2);
            cell.setColspan(10);
            cell.setBackgroundColor(Color.YELLOW);
            cell.setUseDescender(true);
            datatable.addCell(cell);
            // We need 4 cells with rowspan 2
            datatable.getDefaultCell().setBorderWidth(2);
            datatable.getDefaultCell().setBackgroundColor(Color.YELLOW);
            datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
            datatable.addCell("User Id");
            datatable.addCell("Name\nAddress");
            datatable.addCell("Company");
            datatable.addCell("Department");
            datatable.getDefaultCell().setBackgroundColor(null);
            // we use a nested table to fake this
            PdfPTable permissions = new PdfPTable(6);
            permissions.getDefaultCell().setBackgroundColor(Color.YELLOW);
            permissions.getDefaultCell().setBorderWidth(2);
            permissions.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
            permissions.getDefaultCell().setColspan(6);
            permissions.addCell("Permissions");
            permissions.getDefaultCell().setColspan(1);
            permissions.addCell("Admin");
            permissions.addCell("Data");
            permissions.addCell("Expl");
            permissions.addCell("Prod");
            permissions.addCell("Proj");
            permissions.addCell("Online");
            PdfPCell permission = new PdfPCell(permissions);
            permission.setColspan(6);
            datatable.addCell(permission);
            // this is the end of the table header
            // as far as PdfPTable is concerned there are 2 rows in the header
            datatable.setHeaderRows(2);

            // we add the data to the table
            datatable.getDefaultCell().setBorderWidth(1);
            for (int i = 1; i < 50; i++) {
                datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT);
                datatable.addCell("myUserId");
                datatable.addCell("Person " + i);
                datatable.addCell("No Name Company");
                datatable.addCell("D" + i);
                datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
                for (int j = 0; j < 6; j++)
                    datatable.addCell(Math.random() > .5 ? "Yes" : "No");
            }
            document.add(datatable);
        } catch (DocumentException de) {
            System.err.println(de.getMessage());
        } catch (IOException ioe) {
            System.err.println(ioe.getMessage());
        }

        // step 5: we close the document
        document.close();
    }
}